From 2a52a68a9680936044b3b7c6cc42a2f6be3c2b54 Mon Sep 17 00:00:00 2001
From: abouthiroppy <git@about-hiroppy.com>
Date: Thu, 19 Jan 2017 15:36:32 +0900
Subject: [PATCH] test: add dgram.Socket.prototype.bind's test
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Test that an error is thrown when bind() is called on an already bound
socket.

PR-URL: https://github.com/nodejs/node/pull/10894
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Claudio Rodriguez <cjrodr@yahoo.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Italo A. Casas <me@italoacasas.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
---
 test/parallel/test-dgram-bind.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/test/parallel/test-dgram-bind.js b/test/parallel/test-dgram-bind.js
index 0bca97fb294f79..2d11fba6443ad8 100644
--- a/test/parallel/test-dgram-bind.js
+++ b/test/parallel/test-dgram-bind.js
@@ -1,13 +1,17 @@
 'use strict';
-require('../common');
-var assert = require('assert');
-var dgram = require('dgram');
+const common = require('../common');
+const assert = require('assert');
+const dgram = require('dgram');
 
 var socket = dgram.createSocket('udp4');
 
-socket.on('listening', function() {
+socket.on('listening', common.mustCall(() => {
+  assert.throws(() => {
+    socket.bind();
+  }, /^Error: Socket is already bound$/);
+
   socket.close();
-});
+}));
 
 var result = socket.bind(); // should not throw